package com.forcht.webApplication;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * 
 * @author forcht
 *  一个Http服务器
 */
public class HttpServer {
	
	public static final String WEB_ROOT=
			System.getProperty("user.dir")+File.separator+"webroot";
	private static final String SHUTDOWN_COMMAND="/SHUTDOWN";
	private boolean shutdown=false;
	
	public static void main(String[] args) {
		HttpServer server=new HttpServer();
		server.await();
	}
	
	public void await() {
		ServerSocket serverSocket=null;
		int port=8080;
		try {
			serverSocket=new ServerSocket(port,1,InetAddress.getByName("127.0.0.1"));
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(1);
		}
		while(!shutdown) {
			Socket socket=null;
			InputStream input=null;
			OutputStream output=null;
			
			try {
				 socket = serverSocket.accept();
				 input=socket.getInputStream();
				 output=socket.getOutputStream();
				 //将请求交给request处理
				 Request request=new Request(input);
				 request.parse();
				 //创建一个response类来响应客户端
				 Response response=new Response(output);
				 response.setRequest(request);
				 response.sendStaticResource();
				 
				 socket.close();
				 //判断是或是关闭服务器的请求
				 shutdown=request.getUri().equals(SHUTDOWN_COMMAND);
			} catch (IOException e) {
				e.printStackTrace();
				continue;
			}
		}
	}
}
